Somu - Tiny Security Key, Two-Factor Authentication, U2F and FIDO2 - U – SoloKeys | Built with Trussed®
GoTrust Idem Card - FIDO2 & U2F BLE and NFC Security Key for First and Second Factor Authentication. Standard Smart Card form Factor with BLE and NFC Interfaces Across Mobile Devices and
FIDO2 U2F Security Key - U2F USB 2-Step Authentication Security : ID 3363 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Security Key Yubico FIDO2 U2F, USB-C, NFC, blue - Eventus Sistemi
FIDO2 U2F Security Key - U2F USB 2-Step Authentication Security : ID 3363 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Virtual FIDO is a virtual USB device that implements the FIDO2/U2F protocol (like a YubiKey) in order to support 2FA and WebAuthN. : r/netsec